Finding the Fourth Proportional to 123,695.42, 170,700.01 and 67,106.80

Step by Step Solution

1. Step 1: Write the proportion equation
   123,695.42 : 170,700.01 = 67,106.80 : x
2. Step 2: Convert to fraction form
   123,695.42/170,700.01 = 67,106.80/x
3. Step 3: Cross multiply
   123,695.42x = 170,700.01 × 67,106.80
4. Step 4: Simplify right side
   123,695.42x = 11,455,131,172.09
5. Step 5: Solve for x
   x = 11,455,131,172.09/123,695.42
6. Step 6: Final answer
   x = 92,607.56